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-rw-r--r--absl/container/internal/btree_container.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/absl/container/internal/btree_container.h b/absl/container/internal/btree_container.h
index 3b2e8a9e..137614f8 100644
--- a/absl/container/internal/btree_container.h
+++ b/absl/container/internal/btree_container.h
@@ -314,6 +314,8 @@ class btree_set_container : public btree_container<Tree> {
}
// Deletion routines.
+ // TODO(ezb): we should support heterogeneous comparators that have different
+ // behavior for K!=key_type.
template <typename K = key_type>
size_type erase(const key_arg<K> &key) {
return this->tree_.erase_unique(key);